NEN EN 50241-1 : 1999 AMD 1 2004
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
SPECIFICATION FOR OPEN PATH APPARATUS FOR THE DETECTION OF COMBUSTIBLE OR TOXIC GASES AND VAPOURS - PART 1: GENERAL REQUIREMENTS AND TEST METHODS
26-04-2010
12-01-2013
Foreword
1 Scope
2 Normative references
3 Definitions
4 General requirements
4.1 Introduction
4.2 Construction
5 Test requirements
5.1 Introduction
5.2 General requirements for tests
5.3 Normal conditions for test
5.4 Test methods
6 Field verification equipment
7 Information for use
7.1 Labelling and marking
7.2 Instruction manual
Annex A (informative) Atmospheric visibility
Annex B (informative) Bibliography
Defines general requirements for the construction and testing of apparatus for the detection and measurement of combustible or toxic gases or vapours in ambient air by measuring the spectral absorption by the gases or vapours over extended optical paths, ranging typically from one metre to a few kilometres.
| DocumentType |
Standard
|
| PublisherName |
Netherlands Standards
|
| Status |
Superseded
|
| Standards | Relationship |
| DIN EN 50241-1 : 2000 AMD 1 2004 | Identical |
| EN 50241-1 : 99 AMD 1 2004 | Identical |
| UNE-EN 50241-1:1999 | Identical |
| BS EN 50241-1:1999 | Identical |
| I.S. EN 50241-1:1999 | Identical |
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